package com.anuo.app.study.studyjavabestpractice;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.fastjson.JSON;
import com.google.common.io.Files;
import org.springframework.stereotype.Controller;
import org.springframework.web.accept.ContentNegotiationManager;

public class StudyHighQualityCode {

    //spring-web
    ContentNegotiationManager s = null;
    //guava
    Files files = null;
    //druid
    DruidDataSource druidDataSource=null;
    //fastjson
    JSON json = null;
}

